Lincoln Needs New Body Control Module
You may encounter multiple electronic issues on some 2013 Lincoln MKS vehicles equipped with a 3.7L engine built on or before Dec. 21, 2012.
The vehicle may exhibit hazard lights staying on or will not turn on, brake warning indicator illuminated, door illumination inoperative, multiple door ajar lights on with doors closed, door locks inoperative from the door switch, manual liftgate opening un-commanded with the vehicle in Park, delayed accessory not turning off when the vehicle is exited, door keyless entry illumination on or won’t turn off, and power liftgate/trunk trim switch inoperative.
SERVICE PROCEDURE
Replace the BCM (body control module)
- Remove the air cleaner box.
- Disconnect C127 from the hood ajar switch.
- Remove the convolute wire covering to expose BK/GY wire GS123.
- Cut and splice BK 16 AWG wire (32-inch long) supplied in the service kit.
- Disconnect G101.
- Install eyelet from overlay onto ground and install bolt. Torque to 9 ft-lb.
- Route overlay wire onto existing wire bundle and tape securely.
- Attach C127 to hood ajar switch.
- Install the air cleaner box.
P/N PART
DB5Z-14S411-A................. wire eyelet
DG1Z-15604-A.................. BCM
About the Author
Information courtesy of Mitchell 1
Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.
Mike Mavrigian
Motor Age Editor
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.

